Poulan 1990-10 User Manual - Page 21

E. MAINTENANCE CHART • monthly after each refueling atop after finishing work or daily before starting work Complete machine. Throttle trigger; safety throttle lock; stop switch. Filter in fuel tank. Fuel tank. Chain oil tank. Chain lubrication. Saw chain. Guide bar. Chain sprocket. Pre-filter/Air filter (See Note below). Exhaust ports. Cylinder fins (See Note below). Carburetor Spark plug. All accessible screws and nuts (not adjusting screws). Vibration mounts. Spark arrestor screen. Visual inspection (condition, leaks) Clean ' Check operation Clean felt - when clogged or dirty. Replace pick-up - when clogged or dirty. Clean Clean Check Inspect (sharpness, wear, damage) Check chain tension Sharpen - when dull Inspect (wear, damage) Clean Lubricate sprocket nose " Deburr Replace - when worn or damaged Check Clean Replace - when worn or damaged Clean Clean Check idle adjustment - chain must not turn Readjust idle - when chain turns Replace - when fouled or damaged Retighten Inspect - (tears, rips, separation, out of round) Replace - when necpcsary Inspect Replace - when worn or damaged ccii E V V p'' f.,' lr' v v• V V V V V V V v v 1-••• V v 10'" V V V V 9.' NOTE: When cutting fibrous material such as palms, pampas grass, yucca, etc., clean the cooling system (including cylinder cooling fins) after every other refueling. - 21 -